The Home of Perfect Sudoku and other puzzles
This is my largest CalcuDoku puzzle so far. Previously I published a CalcuDoku Samurai 7×7, but this time the puzzle is even larger: 8×8 CalcuDoku Samurai for Saturday, February 28, 2009. Questions, comments and suggestions are more than welcome!
A few visitors to my forum have been creating these puzzles for quite some time. Well, here is one from me. Rules: Everything is exactly the same as in your ordinary Killer Sudoku puzzles, except that there are even fewer…
Hello everyone, I’m back! 🙂 After a few weeks of no updates and some problems with the site, it’s time to get back to usual daily and weekly routines. The Washington Post Samurai Sudoku solutions have been updated. The Weekly…
It has been hinted that this kind of puzzle was going to be posted soon – and to end the suspense, here it is! 🙂 My first ever Jigsaw Samurai Sudoku! Not so many sites produce these puzzles. I might…
As promised, I will be posting more Jigsaw Sudoku puzzles. Here is a plain one, but soon you’ll get something of this kind but… hmmm… bigger! Can you think of anything that fits this description? Jigsaw Sudoku for Sunday, July…
Here is another unique puzzle – Non-Consecutive Killer Sudoku. If you ignore the non-consecutive rule, this puzzle has many solution. So, you must be careful not to place any two consecutive numbers next to each other! Then, the puzzle has…
Here is something brand new – an Odd/Even Killer Sudoku puzzle. If you ignore the odd/even part, this puzzle has many solution. So, you must use the grey cells (and not only those in your head) in order to solve…
“I think this one is quite difficult” – is what I would be tempted to say if I didn’t have such an army of intrepid solvers for audience. So, I won’t say that. See for yourself and let me know…
Here is a mini Killer Samurai puzzle for you. It’s not too difficult but I think it might be fun. If you find it too easy for you – perhaps your kids could use it to practice for the big…
Ok, a few regular readers have requested an INSANE Killer Sudoku puzzle so I had to respond. This puzzle should be very difficult to solve. In fact, it might require some trial&error attempts to be solved. Do not attempt to…